TREADSTONE LAW · ONTARIO · DIGITAL LEGAL SERVICES · EST. MMXXI ·TSL
Licensed by the Law Society of OntarioFlat fees published upfrontWe reply to messages within 1 business daySign in
Home/Articles/Family Law
№ 77 Family Law

Child Support Law in Ontario: Which Statute Applies to You?

Confused by the Divorce Act, provincial law and the Guidelines? Learn which child support rules apply by marital status and which court hears the case.

Family Law5 min readTSLBy the Treadstone Law Team · OntarioUpdated October 28, 2026
← All articles
Key takeaways
  • The Federal Child Support Guidelines apply in divorce cases, unless both parents live in a province with its own designated guidelines.
  • Provincial or territorial guidelines apply when parents were never married, or married parents separate without divorcing.
  • Divorce and property claims are heard only in the Superior Court of Justice, and the Ontario Court of Justice does not hear them.
  • Whichever law applies, the table amount idea is similar, since all provinces and territories except Quebec have adopted the Federal Tables.

Child support in Ontario can feel like it is governed by several laws at once: the Divorce Act, a provincial statute, and something called the Guidelines. It is easy to wonder which one actually applies to you.

The short answer depends mainly on whether you are or were married, whether a divorce is being sought, and where the parents live. This article sorts out the layers in plain language. It is general information, and a lawyer can confirm how it applies to your situation.

Statutes, guidelines and courts: three different things

A statute is the law that gives a court power to make an order. The Guidelines are regulations that set out how the amount is worked out. A court is where the case is heard. People often mix these up, which is why the paperwork feels confusing.

Under the Divorce Act, a court can order a spouse to pay child support on application by either or both spouses, and the orders must follow the applicable guidelines. The tables are part of the federal guidelines, which are regulations under the Divorce Act.

Which law applies to your situation

Your situationGuidelines that generally apply
Divorce case, and the parents do not both live in a province with its own designated guidelinesFederal Child Support Guidelines
Divorce case, and both parents live in a province with its own designated guidelinesThat province's guidelines
Parents were never marriedProvincial or territorial guidelines
Married parents separate without divorcingProvincial or territorial guidelines

All provinces and territories except Quebec have adopted the Federal Tables. In practice, that means the table amount for a given income and number of children is meant to be consistent, even when a different statute is the one giving the court its power. Which exact provision a court relies on can depend on the facts, so a lawyer can confirm it for you.

Which court hears the case

Divorce and property claims are heard only in the Superior Court of Justice. The Ontario Court of Justice does not hear divorce or property cases. In 25 locations, a unified Family Court, which is a branch of the Superior Court, hears all family matters including child support.

This matters for cost and scheduling. Filing is free at the Ontario Court of Justice, while the Superior Court may charge a fee unless you qualify for a waiver. The Superior Court also does not schedule a first appearance, so the applicant has to book their own case conference.

Rules that carry across the different laws

Changing and enforcing an order

Under the Divorce Act, a court can vary, rescind or suspend a support order retroactively or prospectively. Before varying child support, it requires a change of circumstances as provided for in the applicable guidelines. For a table-based order, a change in circumstances is any change that would result in a different child support order.

Support set up online or through court is filed automatically with the Family Responsibility Office (FRO). Only a judge can change the amount of support in an order. FRO cannot. Ontario laws also do not set automatic end dates for child or spousal support, so support may end on a date or terminating event in the order, or both parties must agree or a judge must decide.

What to do next

Frequently asked questions

Do the Federal Child Support Guidelines apply to unmarried parents?

Generally no. Provincial or territorial guidelines apply when parents were never married or when married parents separate without divorcing. The table amounts are meant to be consistent because all provinces and territories except Quebec have adopted the Federal Tables.

Can I get child support without getting a divorce?

Yes. Provincial or territorial guidelines apply when married parents separate without divorcing. Ontario also lets you arrange child support through the Child Support Service, a written agreement or the court.

Does the Ontario Court of Justice hear divorces?

No. Divorce and property claims are heard only in the Superior Court of Justice, and the Ontario Court of Justice does not hear divorce or property cases. In 25 locations a unified Family Court hears all family matters, including child support.

Can the Family Responsibility Office change my support amount?

No. Only a judge can change the amount of support in an order, and FRO enforces the order as written.

Sources

Links go to official government, court and regulator pages. The law changes — confirm you are reading the current version.

This article is general information, not legal advice. Reading it does not create a lawyer-client relationship. Ontario laws, tax rates, and government programs change, and how the law applies depends on your specific facts. For advice about your situation, speak with a licensed Ontario lawyer. Treadstone Law is licensed by the Law Society of Ontario — reach us at 1-844-900-1070 or start a file online.

This is a family law question

Start a file online — flat, published fees, reviewed by a licensed lawyer before a dollar is owed.

ContactStart a File →